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feat(lua/name): add hash method to name objects

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-11-11 13:32:56 -08:00
parent bdc23fba32
commit 7cc6c35eee
1 changed files with 8 additions and 0 deletions
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8
src/bindings/lua/name.cpp
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@ -77,16 +77,24 @@ static int name_pred(lua_State * L) {
return 1; return 1;
} }
static int name_hash(lua_State * L) {
lua_pushinteger(L, to_name(L, 1).hash());
return 1;
}
static const struct luaL_Reg name_m[] = { static const struct luaL_Reg name_m[] = {
{"__gc", name_gc}, // never throws {"__gc", name_gc}, // never throws
{"__tostring", safe_function<name_tostring>}, {"__tostring", safe_function<name_tostring>},
{"__eq", safe_function<name_eq>}, {"__eq", safe_function<name_eq>},
{"__lt", safe_function<name_lt>}, {"__lt", safe_function<name_lt>},
{"hash", safe_function<name_hash>},
{0, 0} {0, 0}
}; };
void open_name(lua_State * L) { void open_name(lua_State * L) {
luaL_newmetatable(L, name_mt); luaL_newmetatable(L, name_mt);
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
setfuncs(L, name_m, 0); setfuncs(L, name_m, 0);
set_global_function<mk_name>(L, "name"); set_global_function<mk_name>(L, "name");